Reco Transformers Pvt. Ltd. Offers ABS Encapsulated Ring Type Metering Transformers. Reco Transformers Pvt. Ltd. Is an ISO 9001:2000 certified company. The company manufactures Low Tension Current Transformers and Potential and Control Transformers. The ABS Encapsulated Ring Type Metering Transformers are available in four frame sizes for Primary current between 50A to 1000A. The Ring Type Metering Transformers have CT coils that are encapsulated in ABS casings. Fire Retardant [FR] Grade Casings are also available on request.